Reduce SpdyHeaderBlock copies with move semantics.

net/spdy/spdy_session_pool_unittest.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/spdy/spdy_session_pool.h"
 
 #include <cstddef>
 #include <memory>
 #include <string>
 #include <utility>
@@ skipping 538 matching lines @@
   base::WeakPtr<SpdySession> sessionA =
       CreateInsecureSpdySession(http_session_.get(), keyA, BoundNetLog());
 
   GURL urlA(kTestHostA);
   base::WeakPtr<SpdyStream> spdy_streamA = CreateStreamSynchronously(
       SPDY_BIDIRECTIONAL_STREAM, sessionA, urlA, MEDIUM, BoundNetLog());
   test::StreamDelegateDoNothing delegateA(spdy_streamA);
   spdy_streamA->SetDelegate(&delegateA);
 
   std::unique_ptr<SpdyHeaderBlock> headers(
-      spdy_util.ConstructGetHeaderBlock(urlA.spec()));
+      new SpdyHeaderBlock(spdy_util.ConstructGetHeaderBlock(urlA.spec())));
   spdy_streamA->SendRequestHeaders(std::move(headers), NO_MORE_DATA_TO_SEND);
   EXPECT_TRUE(spdy_streamA->HasUrlFromHeaders());
 
   base::RunLoop().RunUntilIdle();  // Allow headers to write.
   EXPECT_TRUE(delegateA.send_headers_completed());
 
   sessionA->MakeUnavailable();
   EXPECT_TRUE(sessionA->IsGoingAway());
   EXPECT_FALSE(delegateA.StreamIsClosed());
 
@@ skipping 94 matching lines @@
   // there is no pushed stream on any sessions owned by |spdy_session_pool_|.
   base::WeakPtr<SpdySession> session2 =
       spdy_session_pool_->FindAvailableSession(
           key, GURL("http://news.example.org/foo.html"), BoundNetLog());
   EXPECT_EQ(session.get(), session2.get());
 
   spdy_session_pool_->CloseCurrentSessions(ERR_ABORTED);
 }
 
 }  // namespace net